lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <E1IN8Aw-0003mu-00@gondolin.me.apana.org.au>
Date:	Mon, 20 Aug 2007 22:24:14 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	johnpol@....mipt.ru (Evgeniy Polyakov)
Cc:	alan@...ie.me.uk, netdev@...r.kernel.org
Subject: Re: skb_pull_rcsum - Fatal exception in interrupt

Evgeniy Polyakov <johnpol@....mipt.ru> wrote:
> 
> Actually if dmesg will show that there is something in fragments, it
> should use pskb_may_pull(). The same bug exist in bridge and vlan, btw,
> so it might be a solution to remove bug_on from skb_pull_rcsum() and
> instead call may_pull?

That would be too easy :) As was the case here, the data pulled
has already been accessed so calling pskb_may_pull in the pulling
function is too late.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ